85203380

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{5189}}^1$

素因数の和:6019

約数の個数: 24

約数和(自身を含む): 179179560

約数和(自身を除く): 93976180

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 5189, 8210, 10378, 16420, 20756, 25945, 51890, 103780, 4260169, 8520338, 17040676, 21300845, 42601690, 85203380]

約数ペア:

[(1, 85203380), (2, 42601690), (4, 21300845), (5, 17040676), (10, 8520338), (20, 4260169), (821, 103780), (1642, 51890), (3284, 25945), (4105, 20756), (5189, 16420), (8210, 10378)]